Browsing Prof. Tripurari Prasad Sinha by Issue Date

Now showing items 1-20 of 66

    • Electrical behaviour of 0.80Pb[(Mg,Zn)1/3Ta2/3]O 3-0.20PbTiO3 relaxor 

      Prasad, S.; Prasad, K.; Choudhary, S. N.; Sinha, Tripurari Prasad (ELSEVIER SCIENCE BV, 2005-07-15)
      Polycrystalline 0.80Pb[(Mg2/3Zn1/3)(1/3)Ta-2/3]O-3-0.20PbTiO(3) (PMZT-PT) having a tetragonal perovskite type structure was prepared by the high temperature solid-state reaction method. Dielectric studies showed the relaxor ...

    • Ac conductivity of conducting polymer prepared with the use of water soluble support polymer 

      Himanshu, A. K.; Ray, D.K.; Sinha, Tripurari Prasad (IACS, 2005-09)
      The intrinsically conducting polymer, polyaniline (PANI) is synthesized by chemical oxidative polymerization process with the help of water soluble support polymer poly-vinyl alcohol (PVA). The field dependence of the ...

    • Study of impedance spectroscopy conducting polymer prepared with the use of water soluble support polymer 

      Ray, D. K.; Himanshu, A.K.; Sinha, Tripurari Prasad (NATL INST SCIENCE COMMUNICATION, 2005-10-01)
      The intrinsically conducting polymer (ICP), polyaniline (PANI) is synthesized by chemical oxidative polymerization process with the help of water soluble support polymer poly-vinyl alcohol (PVA). The field dependence of ...

    • Phase transition in Ph[(Mg3/4Cu1/4) 1/3Nb2/3]O3 ceramic 

      Kumar, A.; Prasad, K.; Choudhary, S. N.; Sinha, Tripurari Prasad (NATL INST SCIENCE COMMUNICATION, 2005-12-01)
      Single phase perovskite-type cubic ceramics of Pb[(M3/4Cu1/4)(1/3)Nb-2/3]O-3 (PMCN) were synthesized by high temperature double step solid state reaction technique. Dielectric studies show relaxor behaviour with diffuse ...

    • Dielectric relaxation in SrFe 1/2Nb 1/2O 3 

      Saha, S.; Sinha, Tripurari Prasad (American Institute of Physics, 2006)
      The strontium iron niobate Sr Fe12 Nb12 O3 ceramic is synthesized by a solid-state reaction technique. The x-ray diffraction of the sample at room temperature shows a monoclinic phase. The dielectric permittivity and the ...

    • Dielectric study of Ba(Zn 1/3Nb 2/3)O 3 at low temperature 

      Himanshu, A. K.; Gupta, D. C.; Sinha, Tripurari Prasad (ELSEVIER, 2006-05-01)
      The dielectric study of Ba(Zn 1/3Nb 2/3)O 3 has been studied at low temperature in a frequency range 100 Hz-1 MHz and a temperature range from 145K to room temperature. An analysis of real and imaginary part of dielectric ...

    • Dielectric relaxation in perovskite BaAl1 / 2 Nb1 / 2 O3 

      Dutta, Alo; Sinha, Tripurari Prasad (PERGAMON-ELSEVIER SCIENCE LTD, 2006-07-01)
      The complex perovskite oxide barium aluminium niobate, BaAl1/2Nb1/2O3 (BAN) is synthesized by a solid-state reaction technique for the first time. The X-ray diffraction of the sample at room temperature shows a monoclinic ...

    • Phase formation and dielectric phase transition in Ba1-xCaxTi0.6Zr0.4O3 solid solutions 

      Rout, S. K.; Sinha, E.; Panigrahi, S.; Bera, J.; Sinha, Tripurari Prasad (PERGAMON-ELSEVIER SCIENCE LTD, 2006-11-01)
      Perovskite types Ba1-xCaxTi0.6Zr0.4O3 (with x = 0.0-0.5) ceramics have been prepared through solid state reaction route. The room temperature XRD study suggests the compositions with x = 0.0 and x = 0.1 have single phase ...

    • Dielectric relaxation in complex perovskite BaFe1/2Sb1/2O3 

      Dutta, Alo; Sinha, Tripurari Prasad (WORLD SCIENTIFIC PUBL CO PTE LTD, 2007-07-10)
      The complex perovskite oxide barium iron antimonate, BaFe 1/2Sb1/2O3 (BFS) is synthesized by a solid-state reaction technique for the first time. The X-ray diffraction of the sample at room temperature shows a monoclinic ...

    • Structural and low frequency dielectric studies of conducting polymer nanocomposites 

      Ray, D.K.; Himanshu, A. K.; Sinha, Tripurari Prasad (NATL INST SCIENCE COMMUNICATIO, 2007-08-01)
      The intrinsically conducting polymer (ICP), polyaniline (PANI) has been synthesized by chemical polymerization process with the help of water soluble support polymer poly (vinyl pyrrolidone) (PVP). The X-ray diffraction ...

    • Dielectric relaxation in perovskite Ba(Zn1/2W1/2)O3 

      Prakash, V.; Dutta, Alo; Choudhary, S. N.; Sinha, Tripurari Prasad (ELSEVIER SCIENCE SA, 2007-09-25)
      The complex perovskite oxide barium-zinc-tungstate, Ba(Zn1/2W1/2)O3 (BZW) is synthesized by a solid-state reaction technique. The X-ray diffraction study of the sample at room temperature shows a monoclinic phase. The field ...

    • Dielectric relaxation and electronic structure of Ca (Fe1 2 Sb1 2) O3 

      Dutta, Alo; Sinha, Tripurari Prasad; Shannigrahi, Santiranjan (AMER PHYSICAL SOC, 2007-10-23)
      The frequency-dependent dielectric relaxation of calcium-iron-antimonate [Ca (Fe1 2 Sb1 2) O3] (CFS) ceramic, synthesized by a solid-state reaction technique is investigated in the temperature range from 143 to 463 K by ...

    • Electrical properties of 0.90Pb[(Mg,Zn) 1/3Ta 2/3] O 3-0.10PbTiO 3 relaxor 

      Prasad, S.; Prasad, K.; Choudhary, S. N.; Sinha, Tripurari Prasad (OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2008)
      Polycrystalline 0.90Pb[(Mg2/3Zn1/3)(1/3)Ta-2/3]O-3-0.10PbTiO(3) having a tetragonal perovskite type structure was prepared by the high temperature solid-state reaction method. Dielectric studies showed the relaxor behaviour ...

    • Ferroelectric phase transition of Ba1-xSrxTi0.6Zr0.4O3 ceramics 

      Badapanda, T.; Rout, S. K.; Panigrahi, S.; Sinha, E.; Sinha, Tripurari Prasad (TAYLOR & FRANCIS LTD, 2008)
      Perovskite type Ba(1-x)Sr(x)Ti(0.6)Zr(0.4)O(3) (with x = 0.0, 0.1, 0.2, 0.4 and 0.5) ceramics have been synthesized through solid oxide reaction route. The room temperature XRD study suggests the compositions have single ...

    • Dielectric relaxation in complex perovskite oxide BaCo1/2W1/2O3 

      Prakash, V.; Choudhary, S. N.; Sinha, Tripurari Prasad (ELSEVIER SCIENCE BV, 2008-01-01)
      Polycrystalline BaCo1/2W1/2O3 (BCW) is prepared by the solid-state reaction technique. The X-ray diffraction study of the compound at room temperature reveals the monoclinic phase. The field dependence of the dielectric ...

    • Dielectric relaxation and ac conductivity study in SrMg 1/3Nb2/3O3 

      Dutta, Alo; Bharti, Chandrahas; Sinha, Tripurari Prasad (NATL INST SCIENCE COMMUNICATION, 2008-04-01)
      The frequency-dependent dielectric dispersion of strontium-magnesium- niobate, SrMg1/3Nb2ZiO3 ceramic synthesized by the solid state reaction technique is investigated in the temperature range from room temperature to 613 ...

    • Electrical properties of relaxor ferroelectric PMCT-PT-ZnO ceramic 

      Prasad, S.; Prasad, K.; Choudhary, S. N.; Sinha, Tripurari Prasad (NATL INST SCIENCE COMMUNICATION, 2008-04-01)
      Polycrystalline samples of 0.85Pb[(Mg2/3Cd1/3)(1/3)Ta-2/3]O-3-0.15PbTiO(3) with 7.5% of ZnO having a tetragonal perovskite type structure have been prepared using high temperature solid-state reaction method. Dielectric ...

    • Dielectric and phase transition of BaTi 0.6Zr 0.4O 3 ceramics prepared by a soft chemical route 

      Rout, S. K.; Badapanda, T.; Sinha, E.; Panigrahi, S.; Barhai, P. K.; Sinha, Tripurari Prasad (SPRINGER, 2008-04-01)
      BaTi0.6Zr0.4O3 (BTZ) ceramic was synthesized by a soft chemical route. X-ray diffraction at room temperature shows that the sample has cubic perovskite structure with space group Pm-3m. Temperature dependent dielectric ...

    • AC conductivity and dielectric relaxation in CaMg1 / 3 Nb2 / 3 O3 

      Dutta, Alo; Bharti, Chandrahas; Sinha, Tripurari Prasad (PERGAMON-ELSEVIER SCIENCE LTD, 2008-05-06)
      The complex perovskite oxide calcium magnesium niobate, CaMg1/3Nb2/3O3 (CMN) is synthesized by a solid-state reaction technique. Dielectric spectroscopy is applied to investigate the electrical properties of CMN in a ...

    • Dielectric relaxation and electronic structure of double perovskite Sr 2 FeSbO6 

      Dutta, Alo; Sinha, Tripurari Prasad; Shannigrahi, Santiranjan (AMER INST PHYSICS, 2008-09-15)
      The dielectric property and the electronic structure of a double perovskite, Sr2FeSbO6 (SFS) synthesized by solid state reaction technique are investigated. The x-ray diffraction of the sample taken at room temperature ...